Zone 9 · Butterfly Weed
Planting Butterfly Weed in Zone 9
Asclepias tuberosa
✅ Butterfly Weed thrives in zone 9 (hardy 3–10)
Can I plant today?
⏳ Not the right window
Butterfly Weed has a specific planting window in zone 9. Check back in spring.
Evaluated for April 27, 2026 ·
Zone's last frost
around February 15
Zone's first frost
around December 15
Bloom window
June – August
Peak bloom
July
Sun required
full sun
Mature height
30"
Spacing
18" apart
Type
perennial
How to plant Butterfly Weed in zone 9
Native monarch host plant. Plant transplants in spring. Drought tolerant. Seed late — long taproot hates being moved.
Pair with these for continuous bloom
Butterfly Weed peaks in July. These companions keep your bed in color before and after.
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